package jdbc;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;

public class Demo10 {
    public static void main(String[] args) {
        try (Connection connection=DBUtil.getConnection();){
            String sql="UPDATE user " +
                    "SET password=?,nickname=?,age=? " +
                    "WHERE id=?";
            PreparedStatement ps=connection.prepareStatement(sql);
            ps.setString(1,"888888");
            ps.setString(2,"老三");
            ps.setInt(3,55);
            ps.setInt(4,3);
            int num=ps.executeUpdate();
            System.out.println(num>0? "更新成功":"更新失败");
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}
